(FT, Bloomberg, Science Daily - 17/12/07, Reuters - 16/12/07, BBC, UN - 15/12/07, International Herald Tribune - 28/11/07, ΠΑΗΕ, AP, The Guardian, Bloomberg - 27/11/07)
(FT, Bloomberg, Science Daily - 17/12/07; Reuters - 16/12/07; BBC, UN - 15/12/07; International Herald Tribune - 28/11/07; UNDP, AP, The Guardian, Bloomberg - 27/11/07)